212000221133 has 32 divisors (see below), whose sum is σ = 219435955200. Its totient is φ = 204738990336.

The previous prime is 212000221117. The next prime is 212000221151. The reversal of 212000221133 is 331122000212.

It is a cyclic number.

It is not a de Polignac number, because 212000221133 - 2⁴ = 212000221117 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212000221193) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 489607685 + ... + 489608117.

It is an arithmetic number, because the mean of its divisors is an integer number (6857373600).

Almost surely, 2^212000221133 is an apocalyptic number.

It is an amenable number.

212000221133 is a deficient number, since it is larger than the sum of its proper divisors (7435734067).

212000221133 is a wasteful number, since it uses less digits than its factorization.

212000221133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1121.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 212000221133 its reverse (331122000212), we get a palindrome (543122221345).

The spelling of 212000221133 in words is "two hundred twelve billion, two hundred twenty-one thousand, one hundred thirty-three".